Dash lights and lights on warning noise gone

My 97 ford escort 55 van has lost the dash lights not sure what fuse is gone but the warning noise that comes on if ignition off and lights are on is also gone. the right taillight keeps blowing its fuse as well . should i change the whole back cluster? any help would be great as this is baffling me.

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ive got a 55 plate 85 T260 swb crewcab 68000 miles, , i bought it 12 months ago, red light flashes on dash board most days, some times arratically, sometimes quite slow, and all clocks, speedo and dash does not work?????????
the smallest scratch and the van rusts, no under seal, there just a use it and dump it van.